These are some links where you get some useful example for Create ListView From SQLite Database in Android Development Link1, Link2, Link3 0 solved Populating ListView Items from SQL Lite [closed]
It’s better to use a Wrapper to access to your View and to define your OnClickListener earlier (and outside the adapter for a better usability). The following sample show how to handle 2 clickable View on one single item of the ListView with good performance: public class ItemAdapter extends BaseAdapter { private List<Item> items; private … Read more
Introduction When it comes to implementing OnClickListener of ListView items, performance is key. Poorly implemented OnClickListeners can lead to slow scrolling and a poor user experience. In this article, we will discuss how to implement OnClickListener of ListView items for good performance, avoiding slow scrolling. We will discuss the importance of using the ViewHolder pattern, … Read more
This is happening because you are using the wrong View variable to find the ListView. ListView lv = (ListView) view.findViewById(R.id.lvAlerts); The view variable here refers to: public void onItemSelected(AdapterView<?> parent, View view, int pos, long id) { You need to refer to this view: view = inflater.inflate(R.layout.tab_frag_alerts, container, false); You should change the declaration: View … Read more
Load all the contacts in array list or string array and then use AutoCompleteTextView for adding search functionallity Gett all contacts like this as expalined here public ArrayList<PhoneContactInfo> getAllPhoneContacts() { Log.d(“START”,”Getting all Contacts”); ArrayList<PhoneContactInfo> arrContacts = new ArrayList<PhoneContactInfo>(); PhoneContactInfo phoneContactInfo=null; Uri uri = ContactsContract.CommonDataKinds.Phone.CONTENT_URI; Cursor cursor = context.getContentResolver().query(uri, new String[] {ContactsContract.CommonDataKinds.Phone.NUMBER,ContactsContract.CommonDataKinds.Phone.DISPLAY_NAME,ContactsContract.CommonDataKinds.Phone._ID}, null, null, ContactsContract.CommonDataKinds.Phone.DISPLAY_NAME + … Read more
materialList=null So initialize it before used materialList = findViewById(R.id.listViewID); solved null point exception on base Adapter
Ok your program fails at this point: while ((line = reader.readLine()) != null) { String[] RowData = line.split(“,”); DataStates cur = new DataStates(); cur.setTitle(RowData[2]); cur.setPrice(RowData[3]); // now there is a ArrayIndexOutOfBoundsException cur.setDescription(RowData[4]); this.add(cur); } Index begins at 0 so I think the right code would be while ((line = reader.readLine()) != null) { String[] RowData … Read more
Basically you can rotate translate scale change alpha with animations. And combine in with the many different interpolators to define the speed and acceleration of an animation. Here are the main animation docs. Some people also developped some fancier animations by combining them like a 3d flip. But it is always based on the elementary … Read more
You can use universal image loader liabrary for loading image from server they provided good implementation for loading and caching image. Find it here solved Load Image from server and diaplay in listview [duplicate]
You can send an object as a parameter to another activity if the object implements Parcelable: A typical implementation of Parcelable here Then, to send like parameter, something like this: Intent intent = new Intent(this, DetailMovieActivity.class); intent.putExtra(“key”, movie);//Your object that implements Parcelable startActivity(intent); And in the other activity: Bundle arguments = new Bundle(); Movie movie … Read more
Say, you have the corresponing row id of item which is long clicked in a variable rid. Then run the following query: String q = “SELECT * FROM TABLE_NAME where(ROW_ID like ‘”+rid+”‘)”; Cursor c = db.rawQuery(q, null); // db is a object of SQLiteDatabase type Then retrieve TITLE_ID and STORY_ID like: if(c.getCount() == 0) { … Read more
Here i have called URL first then only declared mTitle value.thats why i have faced problem here. Now i got the solution: I have declared mTitle first afterthat only have called URL like below. mTitle = b.getString(KEY_SUBCATE); URL = “http://api1.sfsfsffsf.com/dev/categories/?fields=&categoryid=” + mTitle + “&access_token=bfb787a”; solved xml parsing listview in android like category,subcategory
It seems that your AndroidManifest.xml doesn’t give permission for your app to access the Internet. Your error log states: Permission denied (missing INTERNET permission?) Taken from The Android docs at http://developer.android.com/reference/android/Manifest.permission.html#INTERNET String | INTERNET | Allows applications to open network sockets. Add the following line to your AndroidManifest.xml to allow Internet access: <uses-permission android:name=”android.permission.INTERNET” /> … Read more
try this, xml <?xml version=”1.0″ encoding=”utf-8″?> <LinearLayout xmlns:android=”http://schemas.android.com/apk/res/android” android:layout_width=”match_parent” android:layout_height=”match_parent” android:orientation=”vertical” > <TextView android:id=”@+id/output” android:layout_width=”fill_parent” android:layout_height=”wrap_content” android:background=”#758AA7″ android:padding=”1px” android:text=”Click : ” android:textColor=”#ffffff” /> <ListView android:id=”@android:id/list” android:layout_width=”match_parent” android:layout_height=”wrap_content” > </ListView> </LinearLayout> MainActivity.java public class MainActivity extends ListActivity { TextView content; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.listview_main); content = (TextView) findViewById(R.id.output); String[] CoffeeShop = {“Creation”,”Starbucks”,”Caribou”,”Mo’Joe” … Read more
I think you have problem in selecting multiple list items or either on knowing which list item of activity is selected or which one is unselected . all of these things can be easily done by creating a getter setter class with two custom field one is string selected and one is unselected with all … Read more